21 乘法 42 等于多少？

21 × 41 = 861 21 × 43 = 903 21 × 40 = 840 21 × 44 = 924 21 × 39 = 819 21 × 45 = 945 21 × 38 = 798 21 × 46 = 966 20 × 42 = 840 22 × 42 = 924 19 × 42 = 798 23 × 42 = 966 24 × 42 = 1008 18 × 42 = 756 25 × 42 = 1050 17 × 42 = 714 9 × 98 = 882 14 × 63 = 882 18 × 49 = 882 42 × 21 = 882 49 × 18 = 882 63 × 14 = 882 84 × 41 = 3444 10 × 73 = 730 78 × 48 = 3744 52 × 60 = 3120 70 × 57 = 3990 68 × 95 = 6460 74 × 32 = 2368 87 × 99 = 8613